Lightware UMX-TP-TX100R Programmer's Reference Manual page 13

2. In case of the second mode the TX lines of the processor are in HiZ state and the
Mentioning the facts above is important as there are two commands to set the operation:
{RS232=CONTROL}
For more information see section
Info: UMX-TP-TX100R stores the RS232 working mode and starts the saved one after reboot.
The default baud rate for control is 57600, the command to set the baud rate can be the
following:
Of course in PASS mode the speed can be anything, but for changing and querying the
mode the previously set baud rate must be applied for the sent commands.
For more information see section
Section 3. Operation modes
serial connectors on the transmitter and on the receiver are linked together through
the DDC CAT cable.
DSUB connector
Pin 2: DSUB TX OUT
Pin 3: DSUB RX IN
Figure 3-2. UMX-TP-TX100R in PASSTROUGH mode
{RS232=PASS}
{RS232=?}
{RS232BAUD=9600}
{RS232BAUD=19200}
{RS232BAUD=38400}
{RS232BAUD=57600}
{RS232BAUD=115200}
CPU
Sets the mode when you can control the unit.
Sets the mode when the serial connector is used as a
serial link towards the receiver unit.
Queries the actual state, the response will be
(RS232=CONTROL) or (RS232=PASS).
4.4.5 on page 18.
4.4.2 on page 17.
UMX-TP-TX100R
Programmer's Reference Manual
TP connector
Pin 6: TP RX IN
Pin 3: TP TX OUT
Page 13 / 43